Table 4.
Comparisons | Lower | Difference in Mean | Upper | Significant at 0.05 level |
---|---|---|---|---|
1 vs. 2 | 9.4 | 20.5 | 31.7 | Yes |
1 vs. 3 | -9.6 | 1.5 | 12.7 | No |
1 vs. 4 | -1.1 | 10.1 | 21.3 | No |
2 vs 3 | -30.2 | -19 | -7.8 | Yes |
2 vs 4 | -21.6 | -10.5 | 0.7 | No |
3 vs 4 | -2.6 | 8.5 | 19.7 | No |